[vcf-midatlantic] Looking for 1.8432 MHz crystal
Bill Degnan
billdegnan at gmail.com
Thu Apr 1 02:18:55 UTC 2021
Gotcha
On Wed, Mar 31, 2021, 10:06 PM Bob Applegate via vcf-midatlantic <
vcf-midatlantic at lists.vcfed.org> wrote:
> Hi Bill,
>
> It’s the standard crystal for an MC14411 baud rate generator. I use those
> chips on some of my boards, but my boards are designed for the small HC-49
> crystal while this original SWTPC MP-A2 CPU board would look better with
> the large, old style, crystal.
>
> Bob
>
>
> > On Mar 31, 2021, at 8:41 PM, Bill Degnan via vcf-midatlantic <
> vcf-midatlantic at lists.vcfed.org> wrote:
> >
> > Bob,
> > Just curious, is there something special about this crystal? I have two
> > 18's, but no 1.8's.
> > Bill
> >
> > On Wed, Mar 31, 2021 at 3:18 PM Bob Applegate via vcf-midatlantic <
> > vcf-midatlantic at lists.vcfed.org> wrote:
> >
> >> I’m building a vintage CPU board and want to get an old-school large
> >> crystal. HC-49s I’ve got, so I need one of the older style that are
> >> larger. Wire leads are preferable but beggars can’t be choosers.
> >>
> >> If you have one and are willing to part with it, email me privately.
> >>
> >> Thanks
> >>
> >> Bob
> >>
> >>
>
>
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